Download more than 79 examples of thesis, proposal and project topics about microbial spoilage in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
Master's Thesis in Food Safety and Health Abstract: Background: Essential oils and extracts obtained from medicinal plants with antimicrobial, anticancer and antioxidant compounds are of particular importance as new and natural medicinal compounds, both in the field of health and treatment of diseases and protection of raw and processed foods. Objective: To determine the ...
Dissertation for receiving a master's degree in the field of agricultural engineering, science and food industry, food microbiology. Abstract The antimicrobial effect of elderberry kernel extract as a substitute for chemical preservatives in the market was investigated on the chemical, microbial and sensory characteristics of mayonnaise. The measurements showed that the ...
Dissertation for obtaining a master's degree in the field of food health and safety, abstract background: addition of edible acids to foods, in addition to inhibiting effects on microorganisms, creates the right taste and color in them. Objective: The present study was conducted in order to investigate the effect of organic acids on some microbial and organoleptic chemical ...
Dissertation for Master's Degree in Agricultural Engineering, Food Science and Technology, Food Technology, Abstract The purpose of this study was to investigate the antimicrobial effect of cactus seed extract as an alternative to chemical preservatives on the chemical, microbial and sensory characteristics of French salad dressing. The tested treatments are French sauce ...
Dissertation for receiving a master's degree, specialization: food industry, abstract of osmotic dehydration, the process of removing water is based on the placement of food materials in a hypertonic solution. In this research, the combination of osmotic dehydration process for carrot pieces with a thickness of 0.5 cm at a temperature of 60 degrees Celsius and time intervals of ...
Dissertation for receiving a master's degree, specialization: food industry, abstract of osmotic dehydration, the process of removing water is based on the placement of food materials in a hypertonic solution. In this research, the combination of osmotic dehydration process for kiwi pieces with a thickness of 0.5 cm at a temperature of 60 degrees Celsius and time intervals of ...
Dissertation for Master's Degree (M.Sc.) Direction: Chemical Engineering Abstract It has been less than two centuries that the preparation and distribution of food in a commercial manner and gradually modernized today to where any type of product or product can be purchased in any season, but since food is a perishable substance, different methods have been created for long-term ...
Persian Abstract Introduction: In the food industry, there is an increasing tendency to develop economic methods in order to prepare food products with high nutritional and sensory value. Drying is one of the most widely used methods for preserving fruits and vegetables. Citrus fruits are one of the most important tropical and sub-tropical fruits in the world, which are highly ...
Master's Thesis in Agricultural Engineering, Food Industry, Abstract: The effect of the water extract of the monkey flower plant on the storage time and quality of frozen rainbow salmon. Recently, due to the avoidance of using chemical preservatives in the food industry, the attention of researchers has been drawn to the use of natural compounds in order to increase the shelf ...
Dissertation for receiving a master's degree in the field of food science and engineering, specialization: food science and industry. Abstract Considering the various uses of vegetables in human nutrition, as well as their taste and usefulness in maintaining health and well-being, their importance is increasing day by day. Considering the short life after harvesting and ...
Dissertation for Master's Degree in Food Science and Engineering, Food Microbiology, Abstract: Today, the increase in environmental pollution and the decrease in oil resources have led to the development and replacement of biodegradable packaging instead of packaging derived from petroleum resources. Also, in this regard, the use of antimicrobial compounds such as silver ...
Dissertation for receiving a master's degree in the field of agricultural engineering, food science and food industry, food chemistry. Abstract: In the meat industry, the shelf life and juiciness of the meat is of particular importance, which is the purpose of this research. In this research, the thigh and breast muscles of chicken and ostrich meat were used, and 5 samples of ...
Master's Thesis of Food Science and Industry Abstract The purpose of this research was to evaluate the effect of adding capcarrageenan and sodium alginate on the quality characteristics of soy burger during storage time of 60 days at -20°C. For this purpose, cooking characteristics, sensory characteristics, pH, tissue profile analysis were investigated every 30 days. The ...
Dissertation for receiving a master's degree in food technology, Persian abstract, background and purpose: Olive tree leaves have many compounds, including oleuropein, which are related to the majority of their medicinal properties. Olive leaf extract is also rich in phenolic compounds. In order to extract phenolic compounds, olive leaves must first be dried. Natural drying and ...
Dissertation for M.Sc degree, major: food science and technology. Abstract To conduct this research, samples of spinach (Damghan), tomato (Dezful), lettuce (Varamin), celery (Tehran), zucchini (Gorgan), eggplant (Qasrshirin) were purchased from Damghan market in June 2013. Nitrate, nitrite and ascorbic acid concentrations were measured in the edible parts of each sample. The ...
Dissertation for receiving a master's degree in the field of food science and industry, food microbiology, abstract, due to the vast amount of desert resources in the country, as well as the problems of lack of water, camel breeding and attention to its meat have gained considerable importance. Rosemary is one of the medicinal plants with proven antimicrobial properties. In the ...
Doctoral Dissertation Proposal Abstract Gaseous pollutants, including volatile organic compounds and aromatic substances, are very harmful and dangerous for the environment and human health. There are many methods such as physical methods, chemical methods and biological methods to remove gaseous pollutants. In the meantime, biological methods are more widely used due to their ...
Master's Thesis of Chemical Engineering-Biotechnology Abstract The deteriorating energy sources of fossil fuels will make the developing human society suffer from fuel shortage in the not too distant future. As a result, the concerns of the continuous and increasing release of carbon dioxide into the atmosphere, as well as the extent of pollution caused by fossil fuels that have ...
Dissertation for Master's Degree in Chemical Engineering Abstract: Microbial fuel cell biotechnology is a new science, in which microorganisms, as cheap catalysts, convert the chemical energy contained in organic and inorganic compounds into electrical energy. Optimizing parameters affecting battery performance is one of the first laboratory steps towards the development of this ...
Dissertation for obtaining a master's degree in the field of health and food safety Abstract background: Jashir plant grows in the cold and mountainous regions of Fars province (Sepidan, etc.) Indigestible carbohydrates (fiber) in the leaves of this plant may play a role as prebiotics in probiotic yogurt. Objective: To investigate the effect of Jashir on the physicochemical ...
Abstract Helicobacter pylori is a gram-negative, spiral-shaped, microaerophilic bacterium that lives in the human stomach. This bacterium is often seen in patients who suffer from chronic gastritis or stomach ulcers. Helicobacter pylori infection is asymptomatic in more than 80% of people. It seems that this bacterium plays a role in maintaining the natural ecology of the ...
) Master's Thesis in Microbiology Abstract: Considering the expansion of the use of leeches for therapeutic purposes and since the Food and Drug Administration approved that the use of leeches after surgery can lead to bacterial infection. FDA In this study, independent culture and dependent culture will be used to know the specific signs of gastrointestinal tract microbes in ...
Dissertation for Master's Degree (M.Sc) in the field of Animal Science, Animal Nutrition, Abstract: This study was conducted in order to compare the effect of rice bran enriched with fish waste on the microbial population of the digestive tract and the humoral immune response of 200 one-day-old broilers of Ras 308 strain in the form of a completely randomized design with 5 ...
- Introduction Among herbivorous domestic animals, ruminants have a great contribution in food supply and human health. On the one hand, nutrition has played a major role in the economic and functional efficiency of these animals, so that almost two-thirds of the total cost of animal production in different livestock breeding units is allocated to feed costs, and on the other ...
Dissertation for receiving a master's degree in food science and industry, food microbiology, abstract Since the occurrence of food poisoning in a hospital can endanger the lives of patients and other people who use hospital food in some way and sometimes have a weak immune system, it is very important to observe food hygiene in the hospital. Every person who prepares, prepares, ...
Abstract: Spondylitis is one of the diseases affecting the spine, which damages the poultry industry worldwide and causes lameness in the bird. The main purpose of this study is to investigate the common microbial factors in spondylitis disease of broiler chickens, which was done through the cultivation of necessary samples in a number of special culture environments. For this ...
Master's thesis in the field of computer engineering (artificial intelligence) abstract of various image processing techniques are widely used in the field of dentistry. Among these applications, we can mention the identification based on dental images, the detection of dental caries, as well as the identification and examination of dental lesions, which mainly occur around the ...
Dissertation for obtaining a master's degree in chemistry, fluoride has been known as a toxic ion for many years. The main source of fluoride in aqueous solutions is minerals containing fluoride and the industrial activities of factories. According to the report of the Environmental Protection Organization, the amount of fluoride more than 1 mg/liter causes various diseases. In ...
Thesis for Master's degree in the field: Chemical Engineering Abstract Today, tea is one of the most popular drinks among the people of the world, especially in Iran, that's why drying tea leaves is essential for long-term storage. In this research, both a tea leaf and a pile of it were examined and dried. Green tea leaves were dried in the temperature range of 35 to 55 degrees ...
Master's thesis in the field of chemical engineering, abstract of simulation and optimization of biological reactor producing butanol, semi-continuous fermentation is an efficient and beneficial method to produce valuable metabolic products such as biofuels. Mathematical modeling of semi-continuous bioreactors is a very difficult and complex issue due to the transitory and ...
Master's thesis in the field of civil and environmental engineering. Abstract The main problem in using landfill biogas is the presence of pollutants such as hydrogen sulfide. Hydrogen sulfide gas is colorless, toxic, flammable, and has an unpleasant odor. It is highly toxic and produces SO2 when biogas is burned. In addition, hydrogen sulfide has a corrosive effect. It costs a ...
Dissertation of the Ph.D course in Chemical Engineering, Biotechnology, Abstract: Clostridium Langali is a highly anaerobic estogenic bacterium that can grow on synthesis gas components, i.e. CO and H2/CO2, and convert them into ethanol and acetate at ambient temperature and pressure. During this process, the bacterium shows a complex metabolic pathway that includes both ...
Dissertation for receiving a master's degree, specialization: microbiology. Abstract Staphylococcus aureus is considered as the third most important cause of food-borne diseases. Milk is the primary source of Staphylococcus aureus and milk products are a known source of staphylococcal poisoning. This study was conducted to determine the prevalence of Staphylococcus aureus in ...
Dissertation to receive a Ph.D. degree in Pharmacy Persian Summary Urinary tract infection (UTI) is the occurrence of infection due to the entry and growth of bacteria in any part of the urinary system, including the organs that collect and hold and excrete urine, namely the kidneys, ureters, bladder and urethra. UTI is usually caused by the entry of bacteria that can live in ...
Dissertation for Master's Degree (M.SC) Major: Chemistry and Essential Oil Technology Farsi Summary Introduction: Soil contamination with heavy metals is an important issue that these toxic elements can be transferred in the terrestrial ecosystem and have a potential risk to the quality of food and health, the environment. Soil pollution with heavy toxic metals has increased ...
Dissertation for M.S.c Master's Degree Orientation: Applied Abstract: In recent years, semi-conducting nanoparticles have attracted a lot of attention due to their electrical and mechanical properties, which result from limited quantum effects compared to their counterpart materials. Among semiconductor nanoparticles, ZnO nanoparticles have higher efficiency. To achieve higher ...
Dissertation for Master's Degree in Food Safety and Health Abstract Introduction: In this research, according to the antimicrobial property and resistance of titanium dioxide-based silver nanoparticle packages to the penetration of gases, including oxygen, the effect of these packages on the fungal flora of consumer breads was compared with common polyethylene packages. This ...
Dissertation to receive a master's degree in neonatal special care Abstract Title: Investigating the relationship between the knowledge and performance of nurses working in neonatal wards in the field of venipuncture in hospitals affiliated to Tabriz University of Medical Sciences in 2013 Introduction: Venipuncture is the most important therapeutic procedure among hospitalized ...
Master's course in intensive care nursing Abstract Introduction: In the intensive care unit, ventilator-associated pneumonia ranks first among hospital infections. Since the role of nurses in preventing this complication is very important, the present study was conducted in order to compare the effect of two methods of face-to-face training and clinical guidelines for the ...
Persian summary: Coumarin derivatives are of great interest due to their biological importance and medicinal activities. A number of coumarin derivatives, especially biscoumarins, are known to be anti-inflammatory due to their numerous and prominent features such as anti-blood clots. In this regard, one-pot synthesis of biscoumarin derivatives using aromatic aldehydes, ...
Dissertation for Master's Degree in Chemical Engineering, Biotechnology, Abstract: Microbial proteases are among the most important hydrolyzing enzymes, which account for 60% of the global market of industrial enzymes. In this research, synthesis of protease enzyme in solid state fermentation process using Bacillus bacteria. licheniformis was investigated. Various agricultural ...
Dissertation of the doctoral course in the field of chemical engineering, biotechnology, abstract. Heavy oil transportation by pipeline is one of the most important and suitable methods of transportation, and the high viscosity of heavy oil compounds and their sedimentation in the transportation route is the most obvious problem of this type of transportation. Emulsifying heavy ...
Dissertation for M.Sc. Degree: Food Industry Abstract: Pectinases are a group of hydrolytic enzymes that break down pectic substances. Exopolygalacturonase (exo-p) and endopolygalacturonase (endo-p) are two types of this group. In this study, two fungal species, namely Aspergillus niger and Vetrichodermarisi, which were able to produce pectinase, were isolated. The results of ...
Master's thesis in the field of chemical-biotechnology engineering Abstract Protozoan protein refers to the protein obtained from the cultivation of bacteria, yeasts, filamentous fungi or algae, which can be used as human food or animal feed. In fact, protozoan protein is the dried cells of microorganisms that are obtained by their fermentation on different substrates. ...
Master's thesis in the field of chemistry, Analytical Chemistry, Abstract In this project, a molecular template polymer was prepared for the selective extraction of furan. To prepare this polymer, methacrylic acid (functional monomer), ethylene glycol dimethacrylate (cross-linking agent), 2,2-azobisisobutyronitrile (initiator), a mixture of pyrrole (furan substitute or target ...
Dissertation for M.Sc. Chemical Engineering-Environmental Engineering Abstract: Microbiological fuel cells (MFC) are considered as one of the important potentials in providing clean and renewable energy in the future. In addition to providing electrical energy, which is the most widely used and flexible among other types of energy, MFCs not only do not cause the slightest ...
Doctoral thesis in the field of chemical engineering. Abstract The study of the effective parameters in the synthesis of silver nanoparticles by the inverse microemulsion method of metallic silver nanoparticles is of interest due to their use as catalysts, antimicrobial agents and biosensors. The practical use of silver nanoparticles is highly dependent on the size distribution ...
Thesis for receiving a master's degree in the field of chemical engineering in the field of biotechnology. The abstract of this research was conducted in order to optimize the operational parameters for the use of bioleaching technology in the extraction of copper from the slag produced by the reflective smelting furnaces of Sarchesmeh copper complex. Wide applications of ...
Master's Thesis of Chemical Engineering-Biotechnology Abstract Lipase is a carboxylic ester hydrolase enzyme that acts on triacylglycerol to release fatty acids, glycerides and glycerol. The discovery of the ability of lipase to catalyze the esterification reaction started a broad chapter in the field of this enzyme's functions. In this study, with the knowledge of the ability ...
Dissertation for master's degree in chemistry and technology of essential oil Persian summary Yarrow genus in Iran has 19 species of perennial and often aromatic herbaceous plants, six of which are exclusive to Iran. Achillea filipendula with the Persian name of Zagros yarrow is one of the native species of this genus in Iran. Different parts of yarrow species are widely used in ...
Master's Thesis in Animal Science, Livestock and Poultry Nutrition Abstract This experiment was designed and implemented with the aim of investigating the effects of garlic or fresh onion supplementation on performance, immune system and blood lipid profile in broilers. For this purpose, 308 out of 432 day-old male chicks were divided into nine groups with four replicates and 12 ...
Dissertation for Master's Degree in Agricultural Engineering, Science and Food Industry, Major: Food Microbiology Abstract Aflatoxin M1 (AFM1) is one of the important mycotoxins found in milk and dairy products and is a metabolic product of aflatoxin B1. Today, it is possible to remove mycotoxins in food or animal feed by using physical, chemical or microbial methods. The ...
Master's Thesis in Microbial Biotechnology Abstract Probiotics are food containing living microorganisms that are useful for the body. In other words, a probiotic is a live edible microorganism that has a positive effect on the cells of the host body and improves and increases the microbial balance of the consumer's body. Probiotics are often used in the production of fermented ...
Dissertation for Master's degree (M.Sc.) Title abstract: One-step synthesis of new thiazole and bisthiazole derivatives with various connections. In this research, the synthesis of new thiazole derivatives and bisthiazoles with different connections was investigated by click chemistry and green chemistry methods. First, the synthesis of bisacetophenones (b3-a3) through
Dissertation for Master's Degree in Health Sciences in Nutrition Persian Abstract Background: Probiotics are useful bacteria that prevent the growth of microbes and the connection between them and the surface of the intestinal mucosa, and therefore play a useful role in the balance of the intestinal flora. In several animal studies, the effect of probiotics on blood sugar ...
Master's thesis in the field of electrical engineering, power orientation Abstract: Pulsed power is a design for discharging stored electrical energy on a load in one or more short pulses with a controllable repetition rate. Pulse power generation technology is divided into two branches: low power pulses and high power pulses. Low-power pulses are several megawatts and ...
Master's Thesis in Food Industry (M.Sc) Abstract Walnut kernel is an edible substance that has a lot of fat, protein, sugar and starch, but due to various reasons, it undergoes physical and chemical changes very quickly and loses its quality. The purpose of this study was the effect of packaging and storage conditions on the quality and shelf life of walnuts. In the research ...
Master's Thesis on Irrigation and Drainage Abstract In arid and semi-arid regions, wastewater treatment and its reuse is considered as an important factor in water resource planning. Some researchers believe that the use of treated wastewater in agriculture is a very suitable solution because the elements removed from the soil by the plants are returned to the soil and the risk ...
Dissertation for M.Sc. in Food Engineering, Agricultural Orientation Abstract The focus of recent research has been photochemical substances derived from plants, which are due to their positive effects on human health. During processing in factories, food can be enriched with active compounds such as phenolic compounds that have benefits and physiological properties such as ...
Abstract Ostrich meat, which is classified in the red meat group, has a very high nutritional value, so it can be said that it is one of the least fatty and healthy. The most samples of red meat available. Heracleum Persicum or Iranian safflower plant (from Apiaceae family) is one of 10 species of Heracleum genus in Iran. The current study, considering the antimicrobial ...
Dissertation for receiving a specialized doctorate degree in internal medicine, abstract of the effect of probiotic Femilact on the clinical symptoms of irritable bowel syndrome, background: irritable bowel syndrome It is a functional disease of the digestive system, the cause of which is not fully known. The microbial flora of the digestive system has been stated as one of its ...
Dissertation for receiving a master's degree (MSc) in the field of animal science - animal nutrition. Abstract In order to investigate the effect of rosemary powder and vitamin E on performance, blood parameters, immune system, and the quantity and quality of broiler chickens, an experiment was conducted in the form of a factorial design. For this purpose, 270 one-day-old male ...
Dissertation for Master's Degree in Animal and Poultry Nutrition Abstract This research was conducted in order to investigate the effect of different levels of savory essential oil, including levels (0 mg, 200 mg, 400 mg) and type of grain (maize and barley) on the process of rumen fermentation, animal performance and some blood parameters of goats native to West Azerbaijan. In ...
Dissertation for Master's Degree in Food Science and Technology, Food Technology, Abstract: Today, the world is facing a tsunami of non-communicable diseases, among which cardiovascular diseases and cancer are the biggest killers of the century, and blood pressure is known as the leading cause of death for Iranians. Modifying the nutrition style is the key and the way to prevent ...
Master's thesis in the field of agricultural engineering - horticultural sciences, specialization: ornamental plants. Abstract In order to investigate the effect of sodium nitroprusside on the flowering life of rose, sunflower and lisianthus cut flowers, a study was conducted in the form of a factorial experiment based on a completely randomized design with two sodium ...
Dissertation to receive a master's degree in agricultural engineering, food science and industry, orientation: food microbiology Abstract Cheese is one of the most nutritious and important milk products and the most important dairy product, which is the result of coagulation of cow, sheep, goat and ewe milk or a mixture of 2 or more types of them that is pasteurized by one of ...
Thesis for Master's Degree in Agricultural Engineering - Physiology and Breeding of Medicinal Plants Abstract: This research was carried out in order to extract, identify the constituent compounds and the antimicrobial properties of the essential oils of two varieties of Khuzestani Marza and Rashingari Marza. Extraction of essential oils was carried out by distillation with ...
Master's Thesis in Food Science and Technology (M.Sc) Major: Food Engineering Abstract In this research, the effect of zadu and CHO gums at 5 levels of 0, 0.1, 0.2, 0.28 and 0.4 percent and gum arabic and xanthan gum at levels of 0, 0.5, 0.9, 1.4, 1.8 and 0.08, respectively. 0.1, 0.15 and 0.2% on the stability, rheological and sensory properties of buttermilk during 59 days of ...
Dissertation for receiving a master's degree in the field: Food Science and Industry Abstract: In addition to changing the organoleptic characteristics of the food, the oxidation of oils reduces the nutritional value and shelf life of oils and has a negative effect on the health of consumers due to the production of undesirable compounds in the oil. There are many ways to ...
Dissertation to receive a Master's degree (M.Sc.) in the field of Animal Science, Animal Nutrition, Abstract: Poultry breeding has taken a special place to provide part of the nutritional needs of the society, and the current society has correctly recognized this position and it is expanding every day. Therefore, it is very important to try as much as possible to improve the ...
Dissertation for receiving a master's degree (M.Sc.) specialization: agriculture, the effect of drought stress and nitrogen fertilizer on the yield and amount of essential oil of German chamomile. Abstract, the purpose of the implementation The experiment is to obtain the effect of drought stress and different levels of nitrogen on the yield and the amount of essential oil of ...
Dissertation for Master's Degree (M.Sc.) Field: Horticulture-Ornamental Plants Abstract chrysanthemum (Dendranthema grandiflorum L.) is one of the non-flowering flowers and sensitive to vascular blockage. This study is based on a completely randomized design with 10 treatments including geranium plant essential oil in 3 levels (2, 6 and 10 cc in 600 cc of distilled water), case ...
Dissertation for Master's Degree in Agricultural Engineering (M.Sc) Major: Food Science and Industry Abstract Diazinon is an organophosphorus insecticide and is widely used by farmers. This poison can easily find its way into food and exert its toxic effects on humans. Diazinon poison, like other organophosphorus poisons, inhibits some enzymes, especially acetylcholinesterase. ...
Dissertation for Master's Degree in Food Science and Technology, Food Technology, Abstract: In addition to changing the organoleptic characteristics of food, oxidation of oils reduces the nutritional value and shelf life of oils and is harmful to the health of consumers due to the production of undesirable compounds in oil. To prevent oxidation, there are several methods, one of ...
Abstract Nowadays, due to the resistance of microorganisms against antibiotics, it is important and necessary to use medicinal plants to obtain new compounds to overcome them. The aim of this study was to investigate the antimicrobial effects of methanolic and blue lime extracts against bacteria and mold. In this research, lemon peel extract was extracted by two methods, aqueous ...
Dissertation for M.Sc degree, major: food microbiology, abstract Sterilized milk products that are prepared by the Faradam method, especially Faradam milk and cream, have opened their place in the diet of Iranian people in recent years. By adding healthy ingredients to products such as breakfast cream, the nutritional value of these products can be improved. In this research, ...
Dissertation: To receive the degree of professional doctor of veterinary medicine (D.V.M.) Title: Investigating the level of bacterial contamination of unhatched eggs in the hatchery of Mahabad city. Hatchery is an important part of the poultry industry, and the spread of bacterial diseases can be prevented by following the hygiene principles. In this research, samples were ...
Dissertation for M.Sc degree, specialization: manufacturing and production, abstract in this thesis, how to improve the properties of plastics with the help of heat treatment. First, we will talk briefly about polymers, plastics and their sub-branches and heat treatment on them, and then we will discuss the effect of annealing heat treatment on heavy polyethylene sheets that are ...
Dissertation for Master's Degree (M.Sc.) in Agricultural Engineering, Food Science and Industry, Yogurt is the most famous and widely consumed fermented milk product in the world. The most common defect in texture that leads to the non-acceptance of this product by the consumer is water loss. Today, in Iran, condensed yogurt is mostly produced in the reverse way, that is, by ...